<template>
    <p>Vuex</p>
    <p>count :{{ count }}</p>
    <p>tenTimes:{{ tenTimes }}</p>
    <button @click="updateVuexCount">修改count</button>
    <button @click="asyncIncrement">修改count-action</button>

    <p>moduleA: countA{{ store.state.a.countA }}</p>
    <p>moduleB: countB{{ store.state.b.countB }}</p>

    <p>moduleA: doubleCountA{{ store.getters.doubleCountA }}</p>
    <p>moduleB: doubleCountB{{ store.getters['b/doubleCountB'] }}</p>

    <button @click="moduleAincrementA">模块A-mutation-触发</button>
    <button @click="moduleBincrementB">模块B-mutation-触发</button>

    <button @click="moduleAasyncIncrementA">模块A-action-触发</button>
    <button @click="moduleAasyncIncrementB">模块B-action-触发</button>

    <button @click="moduleBemitGlobalMut">模块B出发全局-mut</button>
    <button @click="moduleBemitGlobalAct">模块B出发全局-act</button>
</template>

<script setup>
import { computed } from 'vue'
import { useStore } from 'vuex'

//获得Vuex实例化对象
const store = useStore()

const count = computed(()=>store.state.count)
const tenTimes = computed(() => store.getters.tenTimes)

//触发mutation
const updateVuexCount = () =>{
    store.commit("increment", { count: 20 })
}

//使用 action
const asyncIncrement = () =>store.dispatch('asyncIncrement', { count: 30 })

//mutations
const moduleAincrementA = () => {
    store.commit('incrementA')
}

const moduleBincrementB = () => {
    store.commit('b/incrementB')
}

//actions
const moduleAasyncIncrementA = () => {
    store.dispatch('asyncIncrementA')
}
const moduleAasyncIncrementB = () => {
    store.dispatch('b/asyncIncrementB')
}

 const moduleBemitGlobalMut = () =>{
     store.dispatch('b/emitGlobalMut')
 }

 const moduleBemitGlobalAct = () =>{
     store.dispatch('b/emitGlobalAct')
 }
</script>